Finding the Third Proportional to 115,712 and 234,648

Step by Step Solution

1. Step 1: Write the proportion equation
   115,712 : 234,648 = 234,648 : x
2. Step 2: Convert to fraction form
   115,712/234,648 = 234,648/x
3. Step 3: Cross multiply
   115,712x = 234,648 × 234,648
4. Step 4: Simplify right side
   115,712x = 55,059,683,904
5. Step 5: Solve for x
   x = 55,059,683,904/115,712
6. Step 6: Final answer
   x = 475,833.83